Montero LS 4WD V6-2972cc 3.0L SOHC 24 Valve (1996)
OK: GO TO STEP 2
NG: Repair the harness. (A1 - C3, B1 - C3)
STEP 2. Check for an open circuit or a short-circuit to ground between the heated oxygen sensor and the engine control module.
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Heated oxygen sensor connector: Disconnected
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Engine control module connector: Disconnected
OK: GO TO STEP 3
NG: Repair the harness. (A4 - 76, B4 - 79)
STEP 3. Check for an open circuit or a short-circuit to ground between the heated oxygen sensor and the engine control module.
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Heated oxygen sensor connector: Disconnected
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Engine control module connector: Disconnected
OK: GO TO STEP 4
NG: Repair the harness. (A3 - 34, B3 - 42)
STEP 4. Check for continuity in the ground circuit.
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Heated oxygen sensor connector: Disconnected
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Engine control module connector: Disconnected
OK: STOP
NG: Repair the harness. (A2 - 72, B2 - 72)